/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package edu.pku.sei.ocl.cst.impl;

import edu.pku.sei.ocl.cst.CSTPackage;
import edu.pku.sei.ocl.cst.ContextDeclCS;
import edu.pku.sei.ocl.cst.PackageDeclarationCS;
import edu.pku.sei.ocl.cst.PathNameCS;
import edu.pku.sei.ocl.evaluation.Context;
import edu.pku.sei.ocl.visitor.AbstractOCLVisitor;

import java.util.Collection;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Package Declaration CS</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link edu.pku.sei.ocl.cst.impl.PackageDeclarationCSImpl#getPathNameCS <em>Path Name CS</em>}</li>
 *   <li>{@link edu.pku.sei.ocl.cst.impl.PackageDeclarationCSImpl#getContextDecls <em>Context Decls</em>}</li>
 *   <li>{@link edu.pku.sei.ocl.cst.impl.PackageDeclarationCSImpl#getPackageDeclarationCS <em>Package Declaration CS</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class PackageDeclarationCSImpl extends CSTNodeImpl implements
		PackageDeclarationCS {
	/**
	 * The cached value of the '{@link #getPathNameCS() <em>Path Name CS</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getPathNameCS()
	 * @generated
	 * @ordered
	 */
	protected PathNameCS pathNameCS;

	/**
	 * The cached value of the '{@link #getContextDecls() <em>Context Decls</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getContextDecls()
	 * @generated
	 * @ordered
	 */
	protected EList<ContextDeclCS> contextDecls;

	/**
	 * The cached value of the '{@link #getPackageDeclarationCS() <em>Package Declaration CS</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getPackageDeclarationCS()
	 * @generated
	 * @ordered
	 */
	protected PackageDeclarationCS packageDeclarationCS;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected PackageDeclarationCSImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return CSTPackage.Literals.PACKAGE_DECLARATION_CS;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public PathNameCS getPathNameCS() {
		return pathNameCS;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetPathNameCS(PathNameCS newPathNameCS,
			NotificationChain msgs) {
		PathNameCS oldPathNameCS = pathNameCS;
		pathNameCS = newPathNameCS;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET,
					CSTPackage.PACKAGE_DECLARATION_CS__PATH_NAME_CS,
					oldPathNameCS, newPathNameCS);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setPathNameCS(PathNameCS newPathNameCS) {
		if (newPathNameCS != pathNameCS) {
			NotificationChain msgs = null;
			if (pathNameCS != null)
				msgs = ((InternalEObject) pathNameCS)
						.eInverseRemove(
								this,
								EOPPOSITE_FEATURE_BASE
										- CSTPackage.PACKAGE_DECLARATION_CS__PATH_NAME_CS,
								null, msgs);
			if (newPathNameCS != null)
				msgs = ((InternalEObject) newPathNameCS)
						.eInverseAdd(
								this,
								EOPPOSITE_FEATURE_BASE
										- CSTPackage.PACKAGE_DECLARATION_CS__PATH_NAME_CS,
								null, msgs);
			msgs = basicSetPathNameCS(newPathNameCS, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					CSTPackage.PACKAGE_DECLARATION_CS__PATH_NAME_CS,
					newPathNameCS, newPathNameCS));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<ContextDeclCS> getContextDecls() {
		if (contextDecls == null) {
			contextDecls = new EObjectContainmentEList<ContextDeclCS>(
					ContextDeclCS.class, this,
					CSTPackage.PACKAGE_DECLARATION_CS__CONTEXT_DECLS);
		}
		return contextDecls;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public PackageDeclarationCS getPackageDeclarationCS() {
		if (packageDeclarationCS != null && packageDeclarationCS.eIsProxy()) {
			InternalEObject oldPackageDeclarationCS = (InternalEObject) packageDeclarationCS;
			packageDeclarationCS = (PackageDeclarationCS) eResolveProxy(oldPackageDeclarationCS);
			if (packageDeclarationCS != oldPackageDeclarationCS) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(
							this,
							Notification.RESOLVE,
							CSTPackage.PACKAGE_DECLARATION_CS__PACKAGE_DECLARATION_CS,
							oldPackageDeclarationCS, packageDeclarationCS));
			}
		}
		return packageDeclarationCS;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public PackageDeclarationCS basicGetPackageDeclarationCS() {
		return packageDeclarationCS;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setPackageDeclarationCS(
			PackageDeclarationCS newPackageDeclarationCS) {
		PackageDeclarationCS oldPackageDeclarationCS = packageDeclarationCS;
		packageDeclarationCS = newPackageDeclarationCS;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					CSTPackage.PACKAGE_DECLARATION_CS__PACKAGE_DECLARATION_CS,
					oldPackageDeclarationCS, packageDeclarationCS));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case CSTPackage.PACKAGE_DECLARATION_CS__PATH_NAME_CS:
			return basicSetPathNameCS(null, msgs);
		case CSTPackage.PACKAGE_DECLARATION_CS__CONTEXT_DECLS:
			return ((InternalEList<?>) getContextDecls()).basicRemove(otherEnd,
					msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case CSTPackage.PACKAGE_DECLARATION_CS__PATH_NAME_CS:
			return getPathNameCS();
		case CSTPackage.PACKAGE_DECLARATION_CS__CONTEXT_DECLS:
			return getContextDecls();
		case CSTPackage.PACKAGE_DECLARATION_CS__PACKAGE_DECLARATION_CS:
			if (resolve)
				return getPackageDeclarationCS();
			return basicGetPackageDeclarationCS();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case CSTPackage.PACKAGE_DECLARATION_CS__PATH_NAME_CS:
			setPathNameCS((PathNameCS) newValue);
			return;
		case CSTPackage.PACKAGE_DECLARATION_CS__CONTEXT_DECLS:
			getContextDecls().clear();
			getContextDecls().addAll(
					(Collection<? extends ContextDeclCS>) newValue);
			return;
		case CSTPackage.PACKAGE_DECLARATION_CS__PACKAGE_DECLARATION_CS:
			setPackageDeclarationCS((PackageDeclarationCS) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case CSTPackage.PACKAGE_DECLARATION_CS__PATH_NAME_CS:
			setPathNameCS((PathNameCS) null);
			return;
		case CSTPackage.PACKAGE_DECLARATION_CS__CONTEXT_DECLS:
			getContextDecls().clear();
			return;
		case CSTPackage.PACKAGE_DECLARATION_CS__PACKAGE_DECLARATION_CS:
			setPackageDeclarationCS((PackageDeclarationCS) null);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case CSTPackage.PACKAGE_DECLARATION_CS__PATH_NAME_CS:
			return pathNameCS != null;
		case CSTPackage.PACKAGE_DECLARATION_CS__CONTEXT_DECLS:
			return contextDecls != null && !contextDecls.isEmpty();
		case CSTPackage.PACKAGE_DECLARATION_CS__PACKAGE_DECLARATION_CS:
			return packageDeclarationCS != null;
		}
		return super.eIsSet(featureID);
	}

	@Override
	public Object accept(AbstractOCLVisitor v, Context env, Object... argv) {
		if (argv == null || argv.length == 0) {
			return v.visitPackageDeclarationCS(this, env);
		} else {
			return v.visitPackageDeclarationCS(this, env, argv);
		}
	}
} //PackageDeclarationCSImpl
